| 21. | How does a pinhole camera project an image?
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| 22. | Early in the episode, Micah is making a pinhole camera through which to witness the eclipse.
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| 23. | Other kits would provide parts to build items such as a small spectrograph, telescope, or pinhole camera.
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| 24. | This effect is used in pinhole cameras.
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| 25. | The more the eye resembles a pinhole camera, the less it depends on focusing through the lens.
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| 26. | Court official Liu Shou-song told reporters Kuo set up pinhole cameras in Chu's bedroom, car and office.
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| 27. | "Projection " is not limited to rectilinear image produced by a pinhole camera on a flat film plate.
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| 28. | A pinhole camera is unconditionally safe.
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| 29. | Usually, the pinhole camera parameters are represented in a 3 & times; 4 matrix called the camera matrix.
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| 30. | Pinhole cameras can also be constructed by replacing the lens assembly in a conventional camera with a pinhole.
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